/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU 
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html). 
 * In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that 
 * Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
 *
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display 
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains 
 * relevant author attributions when distributing the software. If the display of the logo in its graphic 
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE" 
 * in every copy of the program you distribute. 
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
*/


using ASC.Xmpp.Core.utils.Xml.Dom;

//	<mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>
//		<mechanism>DIGEST-MD5</mechanism>
//		<mechanism>PLAIN</mechanism>
//	</mechanisms>

namespace ASC.Xmpp.Core.protocol.sasl
{
    /// <summary>
    ///   Summary description for Mechanisms.
    /// </summary>
    public class Mechanisms : Element
    {
        public Mechanisms()
        {
            TagName = "mechanisms";
            Namespace = Uri.SASL;
        }

        public Mechanism[] GetMechanisms()
        {
            ElementList elements = SelectElements("mechanism");

            var items = new Mechanism[elements.Count];
            int i = 0;
            foreach (Element e in elements)
            {
                items[i] = (Mechanism) e;
                i++;
            }
            return items;
        }

        public bool SupportsMechanism(MechanismType type)
        {
            foreach (Mechanism m in GetMechanisms())
            {
                if (m.MechanismType == type)
                    return true;
            }
            return false;
        }
    }
}